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From: will.deacon@arm.com (Will Deacon)
To: linux-arm-kernel@lists.infradead.org
Subject: Bug in v7_coherent_kern_range() ?
Date: Tue, 10 Apr 2012 10:22:14 +0100	[thread overview]
Message-ID: <20120410092214.GA2620@mudshark.cambridge.arm.com> (raw)
In-Reply-To: <4F7E646D.6000302@freescale.com>

On Fri, Apr 06, 2012 at 04:35:09AM +0100, Huang Shijie wrote:
> >
> > http://lists.arm.linux.org.uk/lurker/message/20111107.173344.f738392e.en.html
> I tested this patch.  It fixed this bug. This bug did not occur any more.
> But my system still hung at futex. I think the futex issue is another 
> bug.(will this patch affect the futex?)

If you're on an SMP system, can you check that you have df77abca ("ARM:
7099/1: futex: preserve oldval in SMP __futex_atomic_op") applied?

> So :
> Tested-by: Huang Shijie <b32955@freescale.com>

Ok, thanks. It looks that has briefly revived the discussion over there at
least.

Will

  reply	other threads:[~2012-04-10  9:22 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-04-01  3:21 Bug in v7_coherent_kern_range() ? Huang Shijie
2012-04-01  6:10 ` Dirk Behme
2012-04-01  7:09   ` Huang Shijie
2012-04-01  8:01     ` Dirk Behme
2012-04-01  8:16       ` Huang Shijie
2012-04-01  8:50         ` Dirk Behme
2012-04-01  9:14           ` Huang Shijie
2012-04-01  8:57     ` Dirk Behme
2012-04-01  9:19       ` Huang Shijie
2012-04-01  9:19       ` Huang Shijie
2012-04-02 11:12 ` Will Deacon
2012-04-06  3:35   ` Huang Shijie
2012-04-10  9:22     ` Will Deacon [this message]
2012-04-10 10:30       ` Huang Shijie
2012-04-10 10:35         ` Will Deacon
     [not found]         ` <4F854992.9080601@freescale.com>
2012-04-11 10:24           ` Will Deacon
2012-04-11 11:02             ` Fabio Estevam
2012-04-16  5:48               ` Huang Shijie
2012-05-10  2:51             ` Huang Shijie
2012-05-10  8:38               ` Will Deacon

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